CSVTU, 1 st year , 1st sem , Examination, Dec-Jan 2008-2009 , Applied Chemistry

BE (1st Semester) Examination, Dec-Jan  2008-2009 Applied Chemistry   Q1 (a)  What is hardness of water? Name two chemicals responsible for permanent hardness. (b)  (i) Why alkalinity of water cannot be due to the presence of OH, Co3 and HCo3 at a time ? A sample of water was alkaline to both phenolphthalein and methyl … Read more CSVTU, 1 st year , 1st sem , Examination, Dec-Jan 2008-2009 , Applied Chemistry